Zero Trust Without the Buzzwords: A Practical Small-Business Checklist How to use this guide: Two audiences live here. If you’re the business owner or decision-maker, read the plain-English summaries under each pillar heading — they tell you what and why. If you’re the IT person or MSP tech doing the work, the checklists and tool callouts are yours. Both audiences should read Where to Start before diving in. What Is Zero Trust, Actually?